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STF 1 (Simulation to Flight 1) is a nanosatellite developed by NASA's Independent Validation and Verification (IV&V) Program in colaboration with West Virginia Space Grant Consortium (WVSGC) and West Virginia University (WVU) to demonstrate the utility of the NASA Operational Simulator (NOS) technologies across the CubeSat development cycle, from concept planning to mission operations.

The 3U Cubesat mission will demonstrate a highly portable simulation and test platform that allows seamless transition of mission development artifacts to flight products. This environment will be highly portable and will decrease the development time of future CubeSat missions by lessening the dependency on hardware resources.

The payload consists of:

  • Fast, Orbital, Total Electron Content (TEC), Observables and Navigation (FOTON) software-defined multi-frequency Global Navigation Satellite Systems (GNSS) space receiver;
  • Langmuir probe;
  • radio sounder;
  • array of 3 particle counters;
  • COTS photometer

It will perform following science and technology demonstrations:

  • NASA Operational Simulator Engine (with hardware emulators) flight technology demonstration;
  • GPS and Inertial Measurement Units Science Experiments;
  • Magnetosphere-Ionosphere Coupling and Space Weather;
  • Performance & Durability of III-V Nitride-Based Materials

It was selected in 2015 by NASA's CubeSat Launch Initiative (CSLI) to be launched as part of the ELaNa program. It was launched on the ELaNa-19 mission.

Nation: USA
Type / Application: Technology
Operator: NASA Independent Validation and Verification (IV&V) Program; West Virginia Space Grant Consortium (WVSGC); West Virginia University (WVU)
Contractors: NASA Independent Validation and Verification (IV&V) Program; West Virginia Space Grant Consortium (WVSGC); West Virginia University (WVU)
Configuration: CubeSat (3U)
Propulsion: None
Power: Solar cells, batteries
Mass: 4 kg
Orbit: 494 km × 512 km, 85.03
Satellite COSPAR Date LS Launch Vehicle Remarks
STF 1 2018-104D 16.12.2018 OnS LC-1A Electron KS with CeREs, ALBus, CHOMPTT, Da Vinci, ISX, NMTSat, RSat-P, Shields 1, CubeSail A, CubeSail B, TOMSat EagleScout, TOMSat R3, SHFT 1


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